up less

components/tree/index.jsx

@@ -9,7 +9,7 @@ var antDTree = React.createClass({
     };
   },
   render() {
-    return <Tree {...this.props} showIcon={false} showLine={false}>
+    return <Tree {...this.props} showIcon={false}>
       {this.props.children}
     </Tree>;
   }

style/components/tree.less

@@ -14,6 +14,7 @@
     top: 10px;
     right: 4px;
     color: #666;
+    transition: transform .3s ease;
   }
 }
 .@{treePrefixCls} {